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Navigation device used for a route search

DC
  • US 7,725,254 B2
  • Filed: 09/05/2006
  • Issued: 05/25/2010
  • Est. Priority Date: 09/05/2005
  • Status: Active Grant
First Claim
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1. A navigation device, comprising:

  • a storage unit configured to store link data for links constituting routes on a map, where at least one link has plural lanes including ones of a left-turn lane, a straight-through lane and a right-turn lane, and where the link data;

    identifies each link using an identifier, associates each respective lane with the identifier of the at least one link to which it belongs, and stores respective costs of the respective lanes; and

    a route search unit adapted to search for a route having a lowest total cost to a destination, using said link data, including using the respective costs of the respective lanes.

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